A) sigmoid curve
B) parabolic
C) hyperbolic
D) straight line
Correct Answer: A
Solution :
When a graph is plotted between percent saturation of haemoglobin and oxygen tension, a cruve is obtained termed as \[{{O}_{2}}-Hb\] dissociation curve. Oxygen-Hb dissociation curve is sigmoid or S-shaped. This is the characteristic for Hb.
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